Transforming legal translation with AI

Emma Wheal Emma Wheal Marketing Manager 11 Feb 2026 3 mins 3 mins

The legal services industry is experiencing rapid growth and transformation. Valued at over $1 trillion and projected to rise steadily (with an annual increase of 5% or more through 2030), law firms are facing mounting challenges in litigation, arbitration, investigation, and compliance. A major driver of this change? The explosion of multilingual content. 

From litigation materials to cross-border contracts and regulatory requests, law firms must increasingly manage sensitive data in multiple languages. Traditional approaches to translation including manual and human-only processes are typically slower, more expensive, and impractical at scale. This is where AI-powered translation steps in. 

Pressures currently facing legal translation

Several global forces are reshaping the translation landscape for law firms, from increasing cross-border disputes to government push for ADR and arbitration. In addition, there is an increase in anti-money laundering and anti-bribery measures, along with stricter laws on safeguarding sensitive data. 

As deadlines tighten, costs rise, and regulatory scrutiny grows, legal teams need secure, accurate, and scalable translation solutions without slowing down operations or risking confidentiality. 

Generative AI is driving both the opportunity and the complexity in legal workflows. However, cyber risk is an ever-present danger, and data will still need to be safeguarded and comply with new cyber-specific legislation.  In addition, generic off-the-shelf AI is not enough for most enterprise organizations that need to deliver ROI. Firms need AI that integrates directly into workflows, adapts to use cases, and evolves.  

Language Weaver is an AI-powered machine translation solution designed for law firms. Let’s explore the latest AI-advanced features available with Language Weaver, which enable law firms to manage multilingual content at scale.  

Document Labeling

Language Weaver allows firms to import matter numbers or case codes and assign them directly to individual translations, streamlining reporting and billing. This allows translation teams to operate not just as a support function but as a profit center—turning cost into ROI. Case codes can also be imported via API, which means that they do not have to be manually maintained.  

Batch Translation

With Language Weaver Cloud and on-premise with Edge, firms can translate millions of words seamlessly. Files can be uploaded in bulk, integrated via APIs, or managed directly within existing systems like Relativity. Language Weaver Cloud supports 50 documents at a time, whilst Language Weaver Edge allows an unlimited number of files.  

Automatic post-editing

Refine and enhance high-volume translations in real-time with our Generative Language Pairs that combine neural machine translation, quality estimation and a private LLM in a flexible and secure environment - enabling businesses to reduce manual post-editing, boost efficiency and cut costs. 

Automatic Speech Recognition (ASR)

Law firms can now transcribe and translate multilingual audio and video in real time within Language Weaver Edge. Whether in interviews, depositions, or compliance training, ASR provides instant insights, even in offline or air-gapped environments. Use cases include: 

  • Secure multilingual client interviews. 
  • Rapid intelligence from field recordings. 
  • Subtitling e-learning and demo videos for compliance.  

Document Watermarking

To align with transparency requirements such as the EU AI Act, translated documents can be watermarked with customizable notices (e.g., “AI-assisted translation – human review required”), ensuring accountability and compliance. 

eDiscovery

With the Relativity connector, clients in the legal field can perform multilingual eDiscovery, translating documents into their organization’s working language for inclusion in eDiscovery analyses.

From Reactive to Proactive: Future-proofing legal translation

By adopting secure AI-driven translation systems, law firms can: 

  • Reduce costs and increase speed without compromising accuracy. 
  • Ensure compliance with cybersecurity and AI governance regulations. 
  • Expand service offerings (multilingual websites, live client meetings, international arbitration support). 
  • Prevent shadow IT by offering firm-wide secure translation portals. 

AI in legal translation isn’t about replacing humans; it’s about enabling them to focus on the content that truly matters while technology handles the volume, speed, and security challenges. 

Ultimately, firms that shift from reactive translation to proactive strategy gain a competitive edge in cross-border matters and position themselves strongly in the AI-driven legal ecosystem. 

Watch our on-demand webinar Fast, secure, scalable: The future of legal translation with AI 

Emma Wheal
Author

Emma Wheal

Marketing Manager
Emma is Marketing Manager for Language Weaver at RWS, delivering thought leadership on machine translation solutions for global organizations.
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